<template>
    <div>
    <!-- 导航栏 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 查询区域 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                     <el-input placeholder="请输入内容" v-model="queryInfo.query" @keyup.enter.native="getGoodsList" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4"> <el-button type="primary" @click="goAddpage">添加商品</el-button> </el-col>
            </el-row>


    <!-- 显示商品信息 -->
    <el-table
      :data="goodslist"
      border
      stripe="">

      <el-table-column type="index" label="#"></el-table-column>

      <el-table-column
        prop="goods_name"
        label="商品名称">
      </el-table-column>

      <el-table-column
        prop="goods_price"
        label="商品价格（元）"
        width="90px">
      </el-table-column>

      <el-table-column
        prop="goods_number"
        label="商品数量"
        width="90px">
      </el-table-column>

      <el-table-column
        label="创建时间"
        width="140px"
       >
        <template slot-scope="scope">
            {{scope.row.add_time | dataFormat}}
        </template>
      </el-table-column>

      <el-table-column label="操作" width="130px">
            <template slot-scope="scope">
                <el-button type="primary" class="el-icon-edit" size="mini" ></el-button>
                <el-button type="danger" class="el-icon-delete" size="mini" @click="removeGoods(scope.row.goods_id)"></el-button>
            </template>
      </el-table-column>
    </el-table>

    <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 15, 20]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>


    </el-card>
    </div>
</template>

<script>
export default {
name:'Goods',
created(){
    this.getGoodsList()
},
data() {
    return {
        goodslist:[],
        //查询关键字
        queryInfo:{
            //查询参数，可以为空
            query:'',
            //当前页数
            pagenum:1,
            //每页显示条数
            pagesize:10
        },
        total:0
    }
},
methods:{
    async getGoodsList(){
        const {data: res } = await this.$http.get('goods',{params:this.queryInfo})
        if(res.meta.status !== 200) return this.$message.error('获取商品信息失败！')
        this.goodslist = res.data.goods
        this.total = res.data.total
    },
    //每页显示数据改变时...
    handleSizeChange(newPageSize){
        this.queryInfo.pagesize = newPageSize
        this.getGoodsList()
    },
    //当前页数发生改变时
    handleCurrentChange(newPageNum){
        this.queryInfo.pagenum = newPageNum
        this.getGoodsList()
    },
    //删除某件商品
    async removeGoods(id){
        const confirm = await this.$confirm('此操作将永久删除该商品, 是否继续?', '删除商品', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        if(confirm !== "confirm"){
            return this.$message.info("已取消删除！")
        }
        const {data: res } = await this.$http.delete('goods/'+id)
        if(res.meta.status !== 200) return this.$message.error('获取商品失败！')
        this.$message.success('获取商品成功！')
        this.getGoodsList()
    },
        goAddpage(){
            this.$router.push('/goods/add')
        }

}

}
</script>

<style lang="less" scoped>

</style>